|Origin:||Perhaps from Low German nibbeln 'to chew bits off'|
1 [intransitive and transitive]DF
to eat small amounts of food by taking very small bites:
He nibbled the biscuit cautiously.
There's a fish nibbling at my bait.
He nibbled on a piece of raw carrot.
to gently bite someone in a loving way:
He began to nibble her ear affectionately.
nibble away at somethingphrasal verb
All these expenses are nibbling away at our savings.
The Scottish National Party is beginning to nibble away at Labour's majority.